/*背景*/
li{
    list-style: none;
}
.BgContain{
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;top: 0;
    z-index: -1;

}
.scene{
    position: absolute;
}
#S1{
    width: 0.8rem;height: 0.8rem;
    top: 10%;
    left: 15%;
}
#S2{
    width: 1.333333rem;height: 1.333333rem;
    top: 3%;
    left:70%;
}
#S3{
    width: 0.8rem;height: 0.8rem;
    top:30%;
    left: 80%;
}
#S4{
    width: 1.8rem;height: 1.8rem;
    top: 14%;
    right: 0;
}
#S5{
    width: 0.8rem;height: 0.8rem;
    top: 30%;
    left: 6%;
}
#S6{
    width: 1.8rem;height: 1.8rem;
    top: 40%;
    left: 0;
}
#S7{
    width: 0.8rem;height: 0.8rem;
    top: 70%;
    left: 25%;
}
#S8{
    width: 1.333333rem;height: 1.333333rem;
    top: 65%;
    right: 0;
}
#S9{
    width: 0.8rem;height: 0.8rem;
    top: 82%;
    right: 5%;
}
#S10{
    width: 1.333333rem;height: 1.333333rem;
    top: 85%;
    left: 3%;
}
#S11{
    width: 2.0rem;height: 2.0rem;
    top: 50%;
    right: 0;
}
#S12{
    width: 1.3rem;height: 1.3rem;
    top: 60%;
    left: 4%;
}
.scene li img{
    width: 100%;
    height: 100%;
}